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pdf-ocr-hotfolder/tests/test_ghostscript_version.py
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techadmin 9cdc9ae443 fix: Ghostscript 10.0.0-10.02.0 PDF/A-Bug abfangen (v0.2.2)
- config.example.toml: pdfa_level="" als sicherer Default
- check_preflight(pdfa_level) erkennt betroffene GS-Versionen und bricht ab
- install.sh warnt bei betroffenen GS-Versionen
- 19 neue Tests (parametrisiert über Versions-Matrix)

Closes #3

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-04-09 07:29:18 +02:00

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"""Tests für Issue #3: Ghostscript 10.0.010.02.0 PDF/A-Bug-Erkennung."""
from __future__ import annotations
from unittest.mock import patch
import pytest
from pdf_ocr_hotfolder.service import (
PreflightError,
check_preflight,
is_ghostscript_broken,
)
@pytest.mark.parametrize("version,expected", [
# Betroffene Versionen
("10.0.0", True),
("10.00.0", True),
("10.01.0", True),
("10.01.1", True),
("10.01.2", True),
("10.02.0", True),
# Sichere Versionen
("10.02.1", False),
("10.03.0", False),
("10.04.0", False),
("11.0.0", False),
("9.56.1", False), # Debian 11 / Ubuntu 22.04
("9.55.0", False),
# Edge cases
("", False),
(None, False),
("garbage", False),
])
def test_is_ghostscript_broken(version, expected) -> None:
assert is_ghostscript_broken(version) is expected
def test_check_preflight_without_pdfa_passes_with_broken_gs() -> None:
"""Ohne pdfa_level darf der betroffene GS verwendet werden."""
with patch("pdf_ocr_hotfolder.service.shutil.which", return_value="/usr/bin/fake"), \
patch("pdf_ocr_hotfolder.service.detect_ghostscript_version",
return_value="10.0.0"):
check_preflight(pdfa_level="") # darf nicht werfen
def test_check_preflight_with_pdfa_fails_on_broken_gs() -> None:
"""Mit pdfa_level + kaputtem GS → PreflightError mit hilfreicher Meldung."""
with patch("pdf_ocr_hotfolder.service.shutil.which", return_value="/usr/bin/fake"), \
patch("pdf_ocr_hotfolder.service.detect_ghostscript_version",
return_value="10.0.0"):
with pytest.raises(PreflightError, match="Ghostscript 10.0.0"):
check_preflight(pdfa_level="2")
def test_check_preflight_with_pdfa_passes_on_fixed_gs() -> None:
"""Mit pdfa_level + gefixtem GS → ok."""
with patch("pdf_ocr_hotfolder.service.shutil.which", return_value="/usr/bin/fake"), \
patch("pdf_ocr_hotfolder.service.detect_ghostscript_version",
return_value="10.02.1"):
check_preflight(pdfa_level="2") # darf nicht werfen
def test_default_config_pdfa_level_is_empty() -> None:
"""Default-Config der Beispiel-Datei soll pdfa_level='' enthalten (Issue #3)."""
from pathlib import Path
import tomllib
cfg_path = Path(__file__).parent.parent / "config.example.toml"
with cfg_path.open("rb") as f:
data = tomllib.load(f)
assert data["ocr"]["pdfa_level"] == "", \
"config.example.toml muss pdfa_level='' als sicheren Default haben"